Treadle.



Patgnted July 3|, |900.

E. BURKE.

TREADLE.

(Appumion mea June e, 1899.)

(No Model.)

W 'MF/76g TATESI Al-)nTENT OFFICE.

EDWARD BURKE, OE NEW YORK,N.Y., AssIcNoR To THE UNION SPECIAL sEwINCrMACHINE COMPANY, on CHICAGO, ILLINOIS.

TREADLE.

SPECFICATLON forming part of Letters Patent No. 655,053, dated .uly 31,1900.

Application led June 6,1899. Serial No.n7l9 .620. (No model.)

T0 a/ZZ wir/017e tm/ay concern,.-

Beit known that I, EDWARD BURKE, acitizen ofthe United States,residingat the city of New York, in the county of New York, State of New York,have invented certain new and useful Improvements in Treadles, of whichthe following is a description, reference being had to the accompanyingdrawings and to the letters of reference marked thereon.

My invention relates to treadles, and particularly to treadles forsewing-machines and the like, the especial Object of the presentinvention being to provide a treadle for use in connection with a UnionSpecial ruffiing-machine, adaptable by a slight movement of the footsidewise to throw either the presser-foot or the ruffling mechanism intoengagement with the treadle, so that a downward pressure of the footwill either raise the presserfoot or throw the rufiiing mechanism intooperative engagement with the driving-shaft.

The invention therefore consists of a treadle having means for theattachment thereto of operating parts and means for throwing it into andout of operative engagement with said operating parts.

Secondly, the invention consists of a treadle having an arm inengagement with an operating part of the machine andanother arm inengagement with a second operating part of a machine and a part movableon the treadle adapted by a sidewise movement of the foot to engage oneor the other of said parts alter-` nately.

Finally, the invention consists in the matters hereinafter described,and referred to in the appended claims.

The invention is illustrated in the accompanying drawings, in which AFigure l is a perspective view of a sewingmachine treadle embodying myinvention. Fig. 2 is a plan view, partly broken away, and a part of thatremaining being shown in section; and Fig. 3 is a detail view inelevation of one side of the treadle.

In the drawings, A represents the foot of the treadle, it having thedownwardly-projecting lugs B, pivoted on the rod C, passing through thelugs D, projecting upwardly from the base E, adapted to be secured tothe iloor,

The, part A is normally held in inclined position to receive the foot ofthe operator by means of the spring F, set in a hollow coneshaped pieceG, forming part of the base E, said spring at its upper end beingsecured to the under side of the foot part A, the downward movement ofthe heel part of A being limitedby the stop H.

Projecting from each side of the foot part A, 'near that portion occupied by the ball of the foot of the operator, are short shafts or pinsI, upon which are pivoted arms K K', having eyes Aat their outer ends inwhich t rings L, towhich are adapted tobe attached the lower ends ofchains (not shown) respectively connected to the presser-foot lever andthe ruiner-mechanism lever of the sewing machine. The hub M at the innerend of each of these arms K K' is provided with a projec tion N, whichlimits the swinging movement of the arms K K to an arc of about ninetydegrees. Each hub has a slot O, which is adapte ed to be engaged byprojections P on the end of a sliding plate Q, in the foot part A of thetreadle, thev projection P passing through guiding-openings in theblocks R, secured to the foot part A. This plate Q has upwardprojections S to engage the sides of the operators foot.

It will be seen that by slight pressure sidewise of the operators footone or the other projection P will engage the slots O in K or K', andthus hold one of said arms rigid, so that it will move up and downbodily with the part A, and thus draw down on its connected chain andthrow the .presser-foot up or the ruftler into action, the other armbeing free to turn on its pivot within the limits allowed by stop N, itsweight meanwhile keeping it in a horizontal position when the part A isforced down by the foot of the operator.

By this construction it will, be seen that by moving the slide Q to oneside or the other the arm connected with the presser-foot or thatconnected with the rutiiing mechanism will be brought to rigidengagement with the treadle A, and the downward pressure of the footupon the treadle will then draw on one or the other of the chains andraise the presser roo foot 'r pull the ruliier'mechanism into operativeengagement .with the driving-shaft.

It will be'understood that I do not wish to be limited specifically tothe application of the invention to a sewing-machine, and, furthermore,various modifications in thecon- ^struction ofthedevic'e may be made,Without` departureffrom the spirit of my invention.

Having thus described my invention, what I claim, and desire to secureby Letters Pat ent, is

1. A treadle or the like having a connection with an operative part of amachine, and` a second'connection'to another operating'p'art of amachine, and a movable 'part on said treadle adapted alternately toengage one'or f the'otli'er of said operative connections; sub

Vstantially as described. 7..A 'treadle for'seWing-machines havingstantially as described.

v2. Atreadle having an'arm in engagement movement ot' the foot of theoperator to engage one or the other of said arms, and hold it rigid Withthetreadle; substantially as described. '3. A treadle provided withparts in operative'engagement with `machine parts, and 'a `movable parton said treadle foralternately Athrowin g said treadle parts intorespectively rigid engagement With.the treadle proper, `substantially asdescribed.

4:. A treadle having a foot portion, arms pivoted thereto, and means onthe foot portion for alternately engaging vthe arms and .holding themrespectively rigid with the foot portion, lsubstantially'as described.

5. A treadle having a foot portion, arms pivoted thereto, and a slide onthe foot portion adapted to engage one or the other of vsaid arms andhold it rigid with the foot portion, substantially as described.

6. A treadle having a foot portion, a slide thereon having projections,arms pivoted on 'said'foo't portion and having means to receive theprojections to hold one or the other of said arms rigid `with the footportion, subarms pivoted thereto, one connected to the presser-foot ofthe machine and the other to the ruftler thereof,`and amovable partadapted to engage one orthe other of said arms and hold it rigid withthe treadle substantially as described.

In testimony whereof I affix my signature in presence of two Witnesses.

' EDWARD BURKE.

Witnesses:

WILBUR L. SWIFT, MILLARD VAN WAGNER.

SMO

